DMN Warning : Decision Table - UnaryTest type: UnaryTestNode

[Ravi Mangalagiri]

What does this warning mean?

Skipped Decision Table Analysis of table '[ID: _D1A6D79E-1165-4A64-AE5E-195BC0AECC78]' because: UnaryTest type: UnaryTestNode{? in ["PendingSale", "Sold"]

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Ravi Mangalagiri
703-505-4240 (c)

[Matteo Mortari]

Hi Ravi,

the DT static analysis is not able to perform analysis on tables which use the extended DT expressions such as those using the ? magic dmn variable.

So the analysis for the table results in Skipped at the first DT extended expression, and a Warn is emitted.

Just FYI, the idiomatic way to represent "not null" in a DMN decision table actuially is 

not(null)

The !=null alone is not a valid unary test, while

? != null

would be a valid extended DT expression, but for the purpose of DT I would strongly recommend sticking to valid unary tests such as

not(null)

Hope this clarifies,

MM

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[Ravi Mangalagiri]

Ok. Got it

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[Ravi Mangalagiri]

Matteo,

 its complaining about the first condition column - UnaryTest type: UnaryTestNode{? in ["PendingSale", "Sold"]

[Matteo Mortari]

Hi Ravi,

I am lost about this last email from you?

You have an extended DT expression in the table:

? in ["PendingSale", "Sold"]

It is a FEEL expression for a Predicate and correctly using the ? magic variable of DMN.

I am pretty sure this compiles and works correctly.

The decision table static analysis however cannot handle extended DT expression (introduced with DMNv1.2 if I recall correctly) and it's simply stating ~"I cannot perform the DT static analysis on this type of table, for your information" which is emitted a Warning for analysis skipped on that kind of tables.

Does this clarify?

If not, can you kindly better articulate what is your actual question, please?

Thanks, hope this helps

MM

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[Ravi Mangalagiri]

Yes. It works. I was curious regarding the warning during validation. 

Thanks for clarification.

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[Matteo Mortari]

Glad to hear that clarified !

MM

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